Add 7/70 and 21/6
1st number: 7/70, 2nd number: 3 3/6
7/70 + 21/6 is 18/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 6 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
7/70 = 7 × 3/70 × 3 = 21/210 - Likewise, for the 2nd fraction, since 6 × 35 = 210,
21/6 = 21 × 35/6 × 35 = 735/210 - Add the two like fractions:
21/210 + 735/210 = 21 + 735/210 = 756/210 - 756/210 simplified gives 18/5
- So, 7/70 + 21/6 = 18/5
In mixed form: 33/5
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